Building wasm tutorial project with nightly

Hello Folks,

I'm learnign Rust and I'm following this tutorial here:

https://rustwasm.github.io/docs/book/game-of-life/time-profiling.html

There is section which introduces the benchmark tool. For that I have to use build with +nightly.

However when I run my build with nightly via

cargo +nightly build

I get lots of strange errors:

     |
5010 |     Int32Array: i32,
  |     ^^^^^^^^^^ use of undeclared type or module `Int32Array`

error[E0433]: failed to resolve: use of undeclared type or module `Uint8Array`
--> C:\Users\marti\.cargo\registry\src\github.com-1ecc6299db9ec823\js-sys-0.3.39\src\lib.rs:5014:5
   |
5014 |     Uint8Array: u8,
 |     ^^^^^^^^^^ use of undeclared type or module `Uint8Array`

error[E0433]: failed to resolve: use of undeclared type or module `Uint8ClampedArray`
--> C:\Users\marti\.cargo\registry\src\github.com-1ecc6299db9ec823\js-sys-0.3.39\src\lib.rs:5018:5
 |

Am I doing anyhting wrong or is something broken here? Can someone explain please? Build works fine without +nightly.

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